1398324386 has 8 divisors (see below), whose sum is σ = 2103330240. Its totient is φ = 697214308.

The previous prime is 1398324383. The next prime is 1398324397. The reversal of 1398324386 is 6834238931.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1398324386² = 3910622176964553992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1398324386.

It is not an unprimeable number, because it can be changed into a prime (1398324383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973046 + ... + 974481.

It is an arithmetic number, because the mean of its divisors is an integer number (262916280).

Almost surely, 2^1398324386 is an apocalyptic number.

1398324386 is a deficient number, since it is larger than the sum of its proper divisors (705005854).

1398324386 is a wasteful number, since it uses less digits than its factorization.

1398324386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947888.

The product of its digits is 746496, while the sum is 47.

The square root of 1398324386 is about 37394.1758299337. The cubic root of 1398324386 is about 1118.2424565601.

The spelling of 1398324386 in words is "one billion, three hundred ninety-eight million, three hundred twenty-four thousand, three hundred eighty-six".